Concessão da patente
#16.1
07/25/1989
RPI 979
The letters patent expired on 12/07/1993: the term of protection has ended. The technology is in the public domain and may be freely used in Brazil.
Talk to a specialistLatest action published by the INPI: 07/25/1989. We update with every new RPI gazette, published weekly.
Applicants
S. D. (pessoa física)
Inventors
E. B. (pessoa física)
IPC Classification
No IPC classification.
Publications in the Brazilian Industrial Property Gazette (RPI).
#16.1
07/25/1989
RPI 979
#13.1
01/17/1989
RPI 952
11/01/1988
RPI 941
08/02/1988
RPI 928
10/27/1987
RPI 888
01/21/1987
RPI 848
#12.2
05/20/1986
RPI 813
#9.2
02/04/1986
RPI 798
#15.11
05/21/1985
RPI 761
#7.1
11/06/1984
RPI 733
#4.1
02/16/1983
RPI 643
#3.2
10/19/1982
RPI 626
#2.1
08/24/1982
RPI 618
#21.1
12/07/1993
RPI 1201
Patent monitoring
Receive alerts on INPI events, decisions, and expiry dates for your portfolio.